KN

Kazufumi Niwa

AC Aisin Takaoka Co.: 3 patents #15 of 172Top 9%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,447,634 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10598437 Hybrid metal melting furnace Hiroaki Kato, Yusuke Wakita, Yuki Kiyanagi 2020-03-24
10393437 Melting material supply apparatus Hiroaki Kato, Yusuke Wakita, Yuki Kiyanagi 2019-08-27
7134478 Method of die casting spheroidal graphite cast iron Kazumi Ohtake, Akira Manabe, Yoshihiro Hibino, Takahiro Sato 2006-11-14